public void ReturnsDateOfMostRecentEntry()
{
//// SETUP
// Test Data
var stock = new Stock { Ticker = "FLWS", CompanyName = "1-800 FLOWERS.COM" };
var oldest = new HistoricPrice { Stock = stock, Date = DateTime.Parse("1/1/2000") };
var middle = new HistoricPrice { Stock = stock, Date = DateTime.Parse("1/2/2000") };
var newest = new HistoricPrice { Stock = stock, Date = DateTime.Parse("1/3/2000") };
var testData = new List<HistoricPrice> { oldest, newest, middle };
// Create a mock generic repository.
var mockGenericRepository = new Mock<IReadOnlyRepository<HistoricPrice>>();
mockGenericRepository.Setup(mock => mock.FilterBy(It.IsAny<Expression<Func<HistoricPrice, bool>>>())).Returns(testData.AsQueryable());
// Setup target
var target = new ReadOnlyPriceHistoryRepository(mockGenericRepository.Object);
// EXECUTE
var actual = target.GetMostRecentDateForTicker(stock.Ticker);
// VERIFY
Assert.AreEqual(newest.Date, actual);
mockGenericRepository.Verify(mock => mock.FilterBy(It.IsAny<Expression<Func<HistoricPrice, bool>>>()), Times.Once());
}
public void ReturnsDefaultDateWhenNoRecordsExist()
{
//// SETUP
// Test Data
var stock = new Stock { Ticker = "FLWS", CompanyName = "1-800 FLOWERS.COM" };
// Create a mock generic repository.
var mockGenericRepository = new Mock<IReadOnlyRepository<HistoricPrice>>();
mockGenericRepository.Setup(mock => mock.FilterBy(It.IsAny<Expression<Func<HistoricPrice, bool>>>())).Returns(stock.PriceHistory.AsQueryable());
// Setup target
var target = new ReadOnlyPriceHistoryRepository(mockGenericRepository.Object);
// EXECUTE
var actual = target.GetMostRecentDateForTicker(stock.Ticker);
// VERIFY
Assert.AreEqual(DateTime.MinValue, actual);
mockGenericRepository.Verify(mock => mock.FilterBy(It.IsAny<Expression<Func<HistoricPrice, bool>>>()), Times.Once());
}